/* $NetBSD: wsbellmux.c,v 1.1 2017/06/11 03:55:56 nat Exp $ */
/*-
* Copyright (c) 2017 Nathanial Sloss <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: wsbellmux.c,v 1.1 2017/06/11 03:55:56 nat Exp $");

#include <sys/param.h>
#include <sys/conf.h>
#include <sys/types.h>
#include <sys/device.h>
#include <sys/errno.h>
#include <sys/selinfo.h>

#include "wsmux.h"

#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsbellvar.h>

/*
* Print function (for parent devices).
*/
int
wsbelldevprint(void *aux, const char *pnp)
{

       if (pnp)
               aprint_normal("wsbell at %s", pnp);
       return (UNCONF);
}

#if NWSMUX > 0
int
wsbell_add_mux(int unit, struct wsmux_softc *muxsc)
{
       struct wsbell_softc *sc;
       device_t wsbelldev;
       cfdriver_t wsbellcd;

       wsbelldev = device_find_by_driver_unit("wsbell", unit);
       if (wsbelldev == NULL)
               return ENXIO;
       wsbellcd = device_cfdriver(wsbelldev);
       if (wsbellcd == NULL)
               return ENXIO;

       sc = device_lookup_private(wsbellcd, unit);
       if (sc == NULL)
               return ENXIO;

       if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
               return (EBUSY);

       return (wsmux_attach_sc(muxsc, &sc->sc_base));
}
#endif